diff --git a/gajim/gtk/notification.py b/gajim/gtk/notification.py
index 627bcee655f2a00687542ff1e974669eb6706f51..dfbff7b42b05b62364108e137a5b12661670f047 100644
--- a/gajim/gtk/notification.py
+++ b/gajim/gtk/notification.py
@@ -248,7 +248,7 @@ def _on_button_press(self,
             # present_with_time needs to be called at this instant in order to
             # work on Windows
             app.window.present_with_time(event.time)
-            app.app.activate_action(f'app.{self._event.account}-open-event',
+            app.app.activate_action(f'{self._event.account}-open-event',
                                     params.to_variant())
 
         self.destroy()